Home / 124,123.74-170,858.16-108,180.50

Finding the Fourth Proportional to 124,123.74, 170,858.16 and 108,180.50

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Solution

The fourth proportional to 124,123.74, 170,858.16 and 108,180.50 is: 148,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,123.74 : 170,858.16 = 108,180.50 : x
  2. Step 2: Convert to fraction form
    124,123.74/170,858.16 = 108,180.50/x
  3. Step 3: Cross multiply
    124,123.74x = 170,858.16 × 108,180.50
  4. Step 4: Simplify right side
    124,123.74x = 18,483,521,177.88
  5. Step 5: Solve for x
    x = 18,483,521,177.88/124,123.74
  6. Step 6: Final answer
    x = 148,912.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.